Vulnerability Description
A vulnerability has been identified in EN100 Ethernet module DNP3 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions < V4.37), EN100 Ethernet module IEC104 variant (All versions), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module PROFINET IO variant (All versions). An unauthorized user could exploit a buffer overflow vulnerability in the webserver. Specially crafted packets sent could cause a Denial-of-Service condition and if certain conditions are met, the affected devices must be restarted manually to fully recover. At the time of advisory publication no public exploitation of this security vulnerability was known.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Siemens | En100 Ethernet Module With Firmware Variant Dnp3 Tcp | All versions |
| Siemens | En100 Ethernet Module With Firmware Variant Iec 61850 | < 4.37 |
| Siemens | En100 Ethernet Module With Firmware Variant Iec104 | All versions |
| Siemens | En100 Ethernet Module With Firmware Variant Modbus Tcp | All versions |
| Siemens | En100 Ethernet Module With Firmware Variant Profinet Io | All versions |
| Siemens | En100 Ethernet Module | - |
Related Weaknesses (CWE)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-418979.pdfVendor Advisory
- https://www.us-cert.gov/ics/advisories/icsa-19-344-07Third Party AdvisoryUS Government Resource
- https://cert-portal.siemens.com/productcert/pdf/ssa-418979.pdfVendor Advisory
- https://www.us-cert.gov/ics/advisories/icsa-19-344-07Third Party AdvisoryUS Government Resource
FAQ
What is CVE-2019-13942?
CVE-2019-13942 is a vulnerability with a CVSS score of 7.5 (HIGH). A vulnerability has been identified in EN100 Ethernet module DNP3 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions < V4.37), EN100 Ethernet module IEC104 variant (All vers...
How severe is CVE-2019-13942?
CVE-2019-13942 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-13942?
Check the references section above for vendor advisories and patch information. Affected products include: Siemens En100 Ethernet Module With Firmware Variant Dnp3 Tcp, Siemens En100 Ethernet Module With Firmware Variant Iec 61850, Siemens En100 Ethernet Module With Firmware Variant Iec104, Siemens En100 Ethernet Module With Firmware Variant Modbus Tcp, Siemens En100 Ethernet Module With Firmware Variant Profinet Io.